JotlyInstall free
Built for Shopify
Featured app · 5.0 rating

Size guides your customers actually use

Templates, a no-code builder, smart placement and AI translation. Set up in minutes.

Install free on ShopifySee features
Works withClaudeChatGPTCursor
Features

Everything you need in one size chart app

From your first chart to thousands of products, in any language.

Templates

Start with a ready-made template

120+ templates for tops, dresses, shoes, kids, rings and more. Edit the numbers and publish.

Browse all size chart templates
Tops
Dresses
Jeans
Shoes
Kids
Rings
Men's T-shirt
cm
in
Size
Chest
Waist
Length
S
36
28
27
M
38
30
28
L
40
32
29
XL
42
34
30
Builder

Build any size guide you need

Add tables, images, tabs, videos and a size scale. See it live as you build. No code.

How the builder works
Add a block
Table
Text
Image
Tabs
Video
Size scale
Size chart
How to measure
Size
Chest
Waist
Length
S
36
28
27
M
38
30
28
L
40
32
29
XL
42
34
30
Runs smallTrue to sizeRuns large
Placement and style

Put the button where you want

Match the button and popup to your store's look.

1
Next to size
2
Above Add to Cart
3
Below Add to Cart
4
Floating button
Button placement options
Everyday Cotton Tee
$32.00
S
M
L
1Size guide
2Size guide
Add to cart
3Size guide
4Size guide
Assign charts

The right chart on every product

Assign by product, collection, tag or vendor, or combine them. Spot what is missing.

How chart assignment works
Show "Tops" chart on
Collection
is
Tops
or
Tag
contains
summer
or
Vendor
is
Nordic Knit
92%
Products covered
New products get it automatically
14 missing
AI translation

Translate into any language using AI

Every size chart, translated in seconds. Edit any word after.

Explore AI translation
EN
FR
DE
ES
JA
Translate with AI
Guide des tailles
Taille
Poitrine
Tour de taille
Longueur
S
36
28
27
M
38
30
28
L
40
32
29
XL
42
34
30
Mesurez sous les bras, autour de la partie la plus large.
Dynamic blocks

One chart, the right details on every product

Make any block dynamic. It fills in from each product's metafields, so one chart works for all.

Metafield size charts
Fit note block
From product metafield
custom.fit_note
Linen Shirt
Model is 180 cm, wears M
Wrap Dress
Model is 172 cm, wears S
Wool Coat
Model is 188 cm, wears L
Reusable blocks

Edit once, update every chart

Save a block like "How to measure" and use it in every chart. Change it once and every chart updates.

Learn about reusable blocks
How to measure
Used in 3 charts
1
Chest
Under the arms
2
Waist
Narrowest point
3
Length
Shoulder to hem
Tops
How to measure
Dresses
How to measure
Jeans
How to measure
Works with your AI tool

Manage it all from your AI tool

Connect Claude, ChatGPT, Cursor or any AI tool. Create, update and manage size charts from chat.

Connect ChatGPT, Claude or Cursor
ChatGPT
Connected
Make a size chart for my new hoodies and show it on the Hoodies collection
Used Jotly3 steps
Created "Hoodies" size chart
Added sizes S to XL
Showed it on the Hoodies collection
Done. Your hoodie chart is live on 24 products.
Size
Chest
Waist
Length
S
36
28
27
M
38
30
28
L
40
32
29
XL
42
34
30
Now translate it into French and German
Illustration library

Hundreds of how-to-measure drawings

Pick a ready-made illustration for any garment. Show it with or without labels.

See the drawings in our templates
All
Women
Men
Kids
Labels
T-shirt how-to-measure illustration
T-shirt
Hoodie how-to-measure illustration
Hoodie
Sweatshirt how-to-measure illustration
Sweatshirt
Bodysuit how-to-measure illustration
Bodysuit
Swimsuit how-to-measure illustration
Swimsuit
Bikini bottom how-to-measure illustration
Bikini bottom
Analytics

See which size charts sell

Track chart views, add to cart and conversion rate, by chart and by device.

Size chart analytics
Size chart analytics
Last 30 days
Chart views
12,480+18%
Unique visitors
8,214+12%
Add to cart
1,932+9%
Chart viewsAdd to cart
Views by device
68% Mobile32% Desktop
Top chartsConversion
1Men's T-shirt6.8%
2Slim jeans5.9%
3Running shoes5.1%
Blocks

Every block your size guide needs

15 blocks to mix and match. Add them in any order, on any chart.

Basic

Content for any chart
8 blocks
T
Text
Fit notes and care tips
Image
Model or product shots
Table
Sizes and measurements
Video
How-to-measure clips
Image + text
A picture with a guide
Image + table
A diagram beside sizes
Grid
Place blocks side by side
Divider
Space out sections

Advanced

Structure and reuse
4 blocks
Tabs
Size chart, How to measure
Scale bar
Runs small to runs large
Attach size chart
Show a chart inside a chart
Attach reusable block
One block, many charts

Dynamic

Fills in for each product
3 blocks
T
Dynamic text
Text from each product
Dynamic image
Image from each product
Dynamic fit scale
Fit from each product
Reviews

Merchants love it

5.076 reviews
P
Passenger
United Kingdom · 3 days in
We've been using this app for our size guides and it's been fantastic. It strikes the perfect balance - simple and intuitive to set up, but powerful enough to handle everything we need across our product range and multiple languages. What really stands out is the support. Gulam has been incredible - 10/10, quick to respond and genuinely knowledgable and friendly every time we've reached out. If you're on the fence about which size guide app to pick, stop looking - this is the one. Highly recommend.
S
Saint + Vale
United States · 12 hours in
Exceptional support, value, and attention to detail. The design is clean, their system is intuitive, and migrating over was super easy.
K
Koazzi
United States · 17 hours in
By far the fastest and most intuitive sizing app out there, especially with its seamless spreadsheet integration. 10/10 recommend.
Read all reviews on the App Store →
Pricing

Pick your plan

Start free. Every paid plan has a 7-day free trial.

Save up to 30% yearly

Free

For trying it on a few products
$0forever
No card needed
Install free
Features
  • Create up to 2 size guides
  • Auto-convert between cm/inches/mm/ft/m
  • Flexible placement option & clean design
  • Assign to products or collections
  • Match size chart style with store theme
  • Add videos, images, tables in size chart
  • 123 fully customisable templates
  • No "Powered by" watermark

Essentials

For stores with a full catalog
$6.99/ month
7-day free trial
Start free trial
Features
  • Unlimited size charts
  • Add tabs for better clarity
  • Combine multiple tables within one guide
  • Size scale bar
  • Import & export size charts
  • Placement next to size label
  • Integrate with Google & Meta Pixels
  • Bulk update & delete charts

Global

Recommended
For stores selling in many languages
$14.99/ month
7-day free trial
Start free trial
Features
  • Unlimited size charts
  • Translate charts to your store languages
  • AI auto translate into any language
  • Bulk assignment using tags and vendor
  • True to size scale bar & link size chart
  • On demand custom styling/customisation
  • Synced/reusable blocks

Enterprise

For stores that track what works
$24.99/ month
7-day free trial
Start free trial
Features
  • Unlimited size charts
  • Advanced bulk assignment targeting rules
  • AI Assistant (MCP, Claude, ChatGPT etc)
  • Multiple size guides on same product page
  • Top charts by views & ATC
  • Easy graphs for daily stats
  • See mobile vs desktop views
  • Optimised for high traffic stores
Billed through ShopifyCancel anytimeAll charges in USD
120+ templates
Any layout, no code
Button where you want
Next to size label
Above or below Add to Cart
Floating button
Match your store's style
Translate into any language with AI
cm / in switch
Show on any product
Collections, tags, vendors
Fills in from product metafields
Reusable blocks
Tabs, images, videos
Size scale
Analytics
Works on mobile
Import and export